# -*- coding:utf-8 -*-

__author__ = 'chendaqing'

from flaskext.mail import Mail
from flaskext.sqlalchemy import SQLAlchemy
from flaskext.openid import OpenID
from flaskext.cache import Cache

__all__ = ['oid', 'db', 'mail', 'cache']

mail  = Mail()
db    = SQLAlchemy()
oid   = OpenID()
cached = Cache()
